Kaizen enterprise supplies ecozen brand electronic cfl ballast/adaptor. Electronic ballast has numerous advantages over conventional models in terms of weight, efficiency and operating voltage range. Ecozen ballast is very light in weight and is manufactured from abs plastic, making it attractive. It has operating range from 120 v ac to 300 v ac. Thus it is most suitable for areas, which are prone to high fluctuations in supply voltage. These are suitable for any cfl unit from 5 to 21 w.